Table 3. Clinical characteristics of all patients after PSM.
| Variables | Lobectomy (N=55), n (%) | Segmentectomy (N=55), n (%) | P value |
|---|---|---|---|
| Sex | >0.99 | ||
| Female | 29 (52.7) | 28 (50.9) | |
| Male | 26 (47.3) | 27 (49.1) | |
| Age | 0.85 | ||
| >65 years | 22 (40.0) | 24 (43.6) | |
| ≤65 years | 33 (60.0) | 31 (56.4) | |
| Smoking history | 0.68 | ||
| Never | 39 (70.9) | 36 (65.5) | |
| Smoke | 16 (29.1) | 19 (34.5) | |
| C/T ratio | 0.84 | ||
| >0.5 to <1 | 38 (69.1) | 36 (65.5) | |
| 1 | 17 (30.9) | 19 (34.5) | |
| Pathological T stage | 0.93 | ||
| 1a | 2 (3.64) | 1 (1.82) | |
| 1b | 23 (41.8) | 25 (45.5) | |
| 1c | 18 (32.7) | 19 (34.5) | |
| 2a | 12 (21.8) | 10 (18.2) | |
| Pathological N stage | >0.99 | ||
| 0 | 46 (83.6) | 46 (83.6) | |
| 1 | 7 (12.7) | 7 (12.7) | |
| 2 | 2 (3.64) | 2 (3.64) | |
| Pleural invasion | >0.99 | ||
| No | 47 (85.5) | 46 (83.6) | |
| Yes | 8 (14.5) | 9 (16.4) | |
| Lymphatic invasion | 0.80 | ||
| No | 47 (85.5) | 45 (81.8) | |
| Yes | 8 (14.5) | 10 (18.2) | |
| Pathological stage | >0.99 | ||
| IA1 | 1 (1.82) | 1 (1.82) | |
| IA2 | 23 (41.8) | 23 (41.8) | |
| IA3 | 15 (27.3) | 15 (27.3) | |
| IB | 7 (12.7) | 7 (12.7) | |
| IIB | 7 (12.7) | 7 (12.7) | |
| IIIA | 2 (3.64) | 2 (3.64) | |
| Pathological type | >0.99 | ||
| Adenocarcinoma | 55 (100.00) | 54 (98.2) | |
| Squamous cell carcinoma | 0 (0.00) | 0 (0.00) | |
| Others | 0 (0.00) | 1 (1.82) |
C/T, consolidation/tumor; N, node; PSM, propensity score matching; T, tumor.